Semester 1 KIMIA kelas XII - IPA

Semester 1 KIMIA kelas XII - IPA

12th Grade

20 Qs

quiz-placeholder

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Semester 1 KIMIA kelas XII - IPA

Semester 1 KIMIA kelas XII - IPA

Assessment

Quiz

Chemistry

12th Grade

Practice Problem

Hard

Created by

Apa koh

Used 46+ times

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20 questions

Show all answers

1.

MULTIPLE CHOICE QUESTION

5 mins • 1 pt

larutan NaOH 30 % massa memiliki massa jenis 1,33 g / ml . Molaritas larutan ini adalah ....

8,25

9,98

16,0

33,2

64,00

2.

MULTIPLE CHOICE QUESTION

5 mins • 1 pt

Kemolalan larutan C2H5OH 20% massa ( Mr = 46 ) adalah ....

6,4

5,4

4,4

3,4

0,4

3.

MULTIPLE CHOICE QUESTION

5 mins • 1 pt

Sebanyak 45 gram senyawa dengan rumus molekul ( H2CO )x dilarutkan dalam 500 gram air ( Kf air = 1,86 0C/ molal ) Jika titik beku senyawa ini 0,93 0C dan ar C = 12 H =1 dan O = 16 maka harga X adalah .....

12

10

8

6

4

4.

MULTIPLE CHOICE QUESTION

5 mins • 1 pt

Molalitas suatu larutan yang mengandung 20% Berat C2H5OH ( Mr=46 ) adalah..

6,4 m

5,4 m

3,4 m

2,4 m

1,4 m

5.

MULTIPLE CHOICE QUESTION

3 mins • 1 pt

Banyaknya MGSO4 ( Mr = 120 ) yang dilarutkan dalam 400 gram air untuk membuat larutan 0,5 m adalah..

24 gram

36 gram

48 gram

56 gram

72 gram

6.

MULTIPLE CHOICE QUESTION

3 mins • 1 pt

Konfigurasi elektron yang benar untuk atom K dengan nomor atom 19 adalah....

1s2, 2s2, 2p6, 3s2, 3p6, 3d1

1s2, 2s2, 2p6, 3s2, 3p6, 4s1

1s2, 2s2, 3s2, 3p6, 4s2, 4p4

1s2, 2s2, 3s2, 3p6, 4s1, 4p5

1s2, 2s2, 2p6, 3s2, 3p6, 4s2

7.

MULTIPLE CHOICE QUESTION

3 mins • 1 pt

Unsur oksigen dalam sistem periodik unsur terletak pada golongan ....

IIIA

IVA

VA

VIA

VIIA

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